package dao;

import java.util.List;

import model.Room;


public interface RoomDao{
	
	public void add( Room room );
	
	
	public void delete( Room room );
	
	
	public void update( Room room );


	public boolean roomExists( long room_id );

	
	public Room getRoom( int room_nr );
	
	public List<Room> getRooms();


	public void setMemento( List<Room> rooms );
}
